Gemini 3.8 Flash (High) vs Kimi K3.1 Pro

Which is better for the money: Gemini 3.8 Flash (High) by Google or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.

Trade-off

GoogleGemini 3.8 Flash (High)Off the frontier

Intelligence: 40.90
Total cost: $1623

KimiKimi K3.1 ProOn the frontier

Intelligence: 55.10
Total cost: $3117

Verdict

Depends on your budget

Kimi K3.1 Pro scores 14.2 points higher (55.1 vs 40.9) but costs 1.9× as much to run the benchmark ($3117 vs $1623; flagship vs premium cost classes). Pick Kimi K3.1 Pro when the extra intelligence is worth the premium, otherwise Gemini 3.8 Flash (High).

Metric	Gemini 3.8 Flash (High)	Kimi K3.1 Pro	Difference
Intelligence (higher is better)	40.9	55.1	+34.7% Kimi K3.1 Pro is 34.7% more intelligent
Total AA cost (lower is better)	$1,622.73	$3,117.31	+92.1% Kimi K3.1 Pro is 92.1% more expensive
End-to-end time (lower is better)	33.13s	42.64s	+28.7% Kimi K3.1 Pro is 28.7% slower
Price per 1M tokens (in / out)	$0.75 / $3.75	$2.00 / $10.0
Input modalities	Text, Image, Speech, Video	Text, Image

Kimi K3.1 Pro vs Gemini 3.8 Flash (High): 34.7% more intelligence, 92.1% more cost to run the AA benchmark, and 28.7% slower end-to-end.

Open this matchup in the interactive picker Gemini 3.8 Flash (High): what beats it Kimi K3.1 Pro: what beats it

Today's Pareto frontier

Against the frontier

Gemini 3.8 Flash (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.

Gemini 3.8 Flash (High)Kimi K3.1 ProToday's Pareto frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-8-flash/kimi-k3-1-pro · Markdown: /api/v1/compare/gemini-3-8-flash/kimi-k3-1-pro?format=md · llms.txt · agent skill